| Tail Number / N-Number | N3991E |
| Manufacturer | JONES PETER M |
| Model | BOEING/JONES 75 |
| Manufacturer's Serial Number | AR-28 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | JOHNSON KENNETH E |
| Street | 504 N PURDUE |
| City | LIBERAL |
| State | KS |
| Zip Code | 67901 |
| Region | Central |
| County | Seward County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1984-03-07 |
| Certificate Issue Date | 1987-07-31 |
| Last Action Date | 2020-09-14 |
| Expiration Date | 2028-02-29 |
| Status | Valid Registration |
| Mode S Code | 51123270 |
| Mode S Code Hex | A4A6B8 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N3991E.
| Tail Number / N-Number | N3991E |
| Manufacturer | AERONCA |
| Model | 11BC |
| Manufacturer's Serial Number | 11BC-79 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 75 miles per hour |
| Type of Registrant | Individual |
| Owner Name | HUMPHRIES BRET W |
| Street | 553-31 ST |
| City | MANHATTAN BEACH |
| State | CA |
| Zip Code | 90266 |
| Region | Western-Pacific |
| County | Seward County |
| Certificate Issue Date | 1969-10-27 |
| Last Status | Valid Registration |
| Cancellation Date | 1970-04-29 |